Drain connector



FIG. 1 is a perspective view of a drain connector in accordance with our design;

FIG. 2 is a left side view thereof, it being understood that the opposite side is a substantial mirror image;

FIG. 3 is a top view thereof;

FIG. 4 is a front view thereof; and,

FIG. 5 is a rear view thereof.

The broken line showing is for the purpose of illustrating portions of the article that form no part of the claimed design. 

The ornamental design for a drain connector, as shown and described. 